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<h1 class="topictitle1">周期性执行勒索检测快照备份</h1>
<div id="body0000001188796506"><p id="ZH-CN_TOPIC_0000002079002525__p134320541268">将需要保护的本地文件系统或本地LUN关联到指定SLA，系统将对这些文件系统或LUN按照SLA的定义周期性执行勒索检测快照备份。</p>
<div class="section" id="ZH-CN_TOPIC_0000002079002525__section737417514128"><h4 class="sectiontitle">操作步骤</h4><ol id="ZH-CN_TOPIC_0000002079002525__ol17244154818912"><li id="ZH-CN_TOPIC_0000002079002525__li0198134611381"><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000002079002525__uicontrol9143133018394">“<span id="ZH-CN_TOPIC_0000002079002525__text63901566195">保护</span> &gt; <span id="ZH-CN_TOPIC_0000002079002525__text10957115415336">存储</span> &gt; 本地资源”</span>。</span></li><li id="ZH-CN_TOPIC_0000002079002525__li03111292521"><span>在<span class="uicontrol" id="ZH-CN_TOPIC_0000002079002525__uicontrol176841652322">“本地文件系统”</span>或<span class="uicontrol" id="ZH-CN_TOPIC_0000002079002525__uicontrol208072615318">“本地LUN”</span>列表中选择需要保护的文件系统或LUN，单击“更多 &gt; 保护”。</span><p><p id="ZH-CN_TOPIC_0000002079002525__p15685506285">您也可以勾选多个本地文件系统或本地LUN进行批量保护。</p>
</p></li><li id="ZH-CN_TOPIC_0000002079002525__li1215131017288"><span>选择SLA。</span><p><p id="ZH-CN_TOPIC_0000002079002525__p3380162962920">您也可以单击<span class="uicontrol" id="ZH-CN_TOPIC_0000002079002525__uicontrol1890184952919">“<span id="ZH-CN_TOPIC_0000002079002525__text16854201643418">创建</span>”</span>，创建新的SLA。创建SLA的操作见<a href="zh-cn_topic_0000002079043933.html">创建SLA</a>。</p>
</p></li><li id="ZH-CN_TOPIC_0000002079002525__li20660162011307"><span>单击<span class="uicontrol" id="ZH-CN_TOPIC_0000002079002525__uicontrol1872962823015">“<span id="ZH-CN_TOPIC_0000002079002525__text173781526163417">确定</span>”</span>。</span><p><p id="ZH-CN_TOPIC_0000002079002525__p3794125011306">如果当前系统时间已晚于该SLA首次备份的开始时间，则关联备份SLA后可以在当前立即执行手动备份或者根据SLA中设置的勒索检测快照备份策略等待下次调度。</p>
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